SELET 传感器 B013010PSCC5 METALWORK 1110320100AN 气缸
SELET 传感器 B013010PSCC5 METALWORK 1110320100AN 气缸
Discom BKS03/KS91D传感器Giacomello RL/G1 F3S1A1000SPS
Discom BKS03/KS91D传感器Giacomello RL/G1 F3S1A1000SPS
Discom BKS03/KS91D传感器GORING VB 400-6L SO6 6A 1.1K
Discom BKS03/KS91D传感器GORING VB 400-6L SO6 6A 1.1K
Discom BKS03/KS91D传感器GOUDSMIT TPGC024-078
Discom BKS03/KS91D传感器GOUDSMIT TPGC024-078
Discom BKS03/KS91D传感器GOYEN CA76MM040-305阀膜片
Discom BKS03/KS91D传感器GOYEN CA76MM040-305阀膜片
Discom BKS03/KS91D传感器GOYEN 3-12V12000-331先导阀
Discom BKS03/KS91D传感器GOYEN 3-12V12000-331先导阀
Discom BKS03/KS91D传感器GOYEN 3-6VFD4110A-331脉冲阀
Discom BKS03/KS91D传感器GOYEN 3-6VFD4110A-331脉冲阀
Discom BKS03/KS91D传感器GOYEN 3-6VFD4110A-336 脉冲阀
Discom BKS03/KS91D传感器GOYEN 3-6VFD4110A-336 脉冲阀
Discom BKS03/KS91D传感器GOYEN 3-6VFD4110A-336电磁导阀
Discom BKS03/KS91D传感器GOYEN 3-6VFD4110A-336电磁导阀
Discom BKS03/KS91D传感器GOYEN 3-6VFD4115A-336电磁导阀
Discom BKS03/KS91D传感器GOYEN 3-6VFD4115A-336电磁导阀
Discom BKS03/KS91D传感器GOYEN 3-6VFD4116A-331电磁导阀高原
Discom BKS03/KS91D传感器GOYEN 3-6VFD4116A-331电磁导阀高原
Discom BKS03/KS91D传感器GOYEN 3-6VFD5010C-330脉冲阀
Discom BKS03/KS91D传感器GOYEN 3-6VFD5010C-330脉冲阀
Discom BKS03/KS91D传感器GOYEN NEMA7-9电磁导阀组盒
Discom BKS03/KS91D传感器GOYEN NEMA7-9电磁导阀组盒
Discom BKS03/KS91D传感器GOYEN RCA25T脉冲电磁阀
Discom BKS03/KS91D传感器GOYEN RCA25T脉冲电磁阀
Discom BKS03/KS91D传感器GOYEN RCA40FHX/1195电磁阀
Discom BKS03/KS91D传感器GOYEN RCA40FHX/1195电磁阀
Discom BKS03/KS91D传感器GOYEN RCA40T电磁脉冲阀
Discom BKS03/KS91D传感器GOYEN RCA40T电磁脉冲阀
Discom BKS03/KS91D传感器GOYEN RCAC20T4012+RCA3PV-205/
Discom BKS03/KS91D传感器GOYEN RCAC20T4012+RCA3PV-205/
Discom BKS03/KS91D传感器GRAS AB0002附件
Discom BKS03/KS91D传感器GRAS AB0002附件
山东赛力特自动化专业进口德国、美国、意大利等欧美件;主营产品:工业配件、机电零件、常用仪器仪表、机械设备等。
【工业知识】
电工基本知识——星一三角形(Y-△)如何降压起动?
对于额定电压380V时运行时为三角形接法的电动机在起动时,可先把定子绕组成星形,待启动结合后再接成三角形,这种方法称为星形一三角形降压起动。
电工基本知识——什么叫大地?
当电气设备发生接地故障时,接地电流就通过接地线和接地体流入地下,并向在地做半球形疏散。在靠近接地体的地方,半球面较小,电阻大,接地电流通过此处的电压降也大,其电位就高;在距离接地体较远的地方,半球面较大,电阻小,电压降也小,其电位也就低。以接地体为圆心,球形的半径约20m,其电位实际趋近于零,一般称为大地或地。